EVONIK CORPORATION › PROTECTOSIL® WS 808 PROTECTOSIL® WS 808 $0.00 PROTECTOSIL® WS 808 is an oligomeric propyl siliconate-silicate concentrate. A water repellent and consolidant for mineral substrates. Quantity: Add To Cart Added! PROTECTOSIL® WS 808 is an oligomeric propyl siliconate-silicate concentrate. A water repellent and consolidant for mineral substrates.
